shrinkage stoping
... shrinkage ratio 收缩率；收缩比；收缩化 shrinkage stoping 留矿采矿法；留矿回采；仓储采煤法 volume shrinkage 体积收缩；容积收缩 ...
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留矿回采工祖 shrinkage stope
留矿回采工作面 shrinkage stope
·2,447,543篇论文数据，部分数据来源于NoteExpress
根据铧厂沟金矿矿体的开采技术条件，选用了浅孔留矿采矿法回采。
According to the technical mining condition in Hua Changgou Gold Mine, the short hole shrinkage mining was chosen.
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